Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rc4 win in 1 half-moves
2 Kd1 draw
3 Kd2 draw
4 Kd3 draw
5 Ke1 draw
6 Ke3 draw
7 Ra4 draw
8 Rb4 draw
9 Rd4 draw
10 Re3 draw
11 Re6 draw
12 Re7 draw
13 Re8 draw
14 Rf4 draw
15 Rg4 draw
16 Rh4 draw
17 Kf1 loss in 2 half-moves
18 Kf2 loss in 2 half-moves
19 Kf3 loss in 2 half-moves
20 Re5 loss in 2 half-moves